I did some Google searches about "NVIDIA MCP61 HDA", but did not find anything particularly relevant. Your issue looks like it happens at a lower level than FTL itself. The start log shows that everything seems fine from the FTL point of view. Do you get this sound issue with other softwar...

Last line explains the problem: BadZipfile: File is not a zip file FTL mod files are regular .zip files with the file extension renamed to .ftl . GMM is telling you that the file you are trying to give it is not a regular zip file. Did you unpack the mod? Is the mod corrupt? Can you try downloading ...